CN106787119A - Electronic bicycle of solar energy wireless charging system and method - Google Patents
Electronic bicycle of solar energy wireless charging system and method Download PDFInfo
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- CN106787119A CN106787119A CN201710196603.7A CN201710196603A CN106787119A CN 106787119 A CN106787119 A CN 106787119A CN 201710196603 A CN201710196603 A CN 201710196603A CN 106787119 A CN106787119 A CN 106787119A
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- 238000004146 energy storage Methods 0.000 claims description 10
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- 238000006243 chemical reaction Methods 0.000 claims description 6
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- 238000010276 construction Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
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- 238000005859 coupling reaction Methods 0.000 description 4
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Classifications
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- H02J7/025—
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- H02J5/005—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to technical field of intelligent traffic, and in particular to a kind of Electronic bicycle of solar energy wireless charging system and method.The Electronic bicycle of solar energy wireless charging system includes processor, solar panel, push-pull type E class A amplifier As, transmitting resonant body, ultrasonic sensor, reception resonant body, voltage matches circuit, charge management module and battery of electric bicycle.Solar panel is used to convert the solar into direct current energy and transmit to push-pull type E class A amplifier As, and resonant body is extremely launched in input after the direct current energy is converted to high-frequency ac electric energy by push-pull type E class A amplifier As.The distance between ultrasonic sensor measurement transmitting resonant body and reception resonant body, and send to processor the distance value, processor is calculated resonant frequency value according to the distance value, and then control push-pull type E class A amplifier As to produce the AC power of respective resonant frequencies, to realize carrying out wireless charging to electric bicycle using solar energy.
Description
Technical field
The present invention relates to technical field of intelligent traffic, in particular to a kind of Electronic bicycle of solar energy wireless charging
System and method.
Background technology
Existing charger for electric bicycle is all mostly wired charger, and the charging modes of wired connection are to a certain degree
On increased electric bicycle charging trouble, frequently plugging also has potential potential safety hazard.With the hair of science and technology
Exhibition, solar energy is increasingly being applied in the life of people as eco-friendly power source, therefore the application of solar energy undoubtedly has extensively
Wealthy application prospect.There is larger power attenuation, such as semi-bridge inversion and full-bridge in the inversion transformation technique for being traditionally used for being wirelessly transferred
Inversion；The characteristics of due to magnetic coupling resonance, the change of transmission range, the influence to system transfers efficiency is very big, in actual conditions,
It is difficult to persistently keep maximal efficiency transmission.And there is no concrete implementation side also with reference to the electric bicycle wireless charging of solar energy
Method.
Push-pull type E class A amplifier As occupy big advantage in radio energy transmission system, open-minded by using no-voltage
(ZVS) technology, theoretical conversion efficiencies can reach 100%, relative to traditional semi-bridge inversion and full-bridge inverting, have in efficiency
Very big improvement；Detect transmitting resonant body always using ultrasonic sensor and receive the distance between resonant body, work as transmission distance
From when changing, system feeds back change resonant frequency in time, two resonant bodies is always maintained at close coupling state, realizes and continues most
Big efficiency transmission；When wireless charging need not be carried out, storage of solar energy in a standby battery, in night or light
Under conditions of according to condition deficiency, it is possible to use standby battery is powered, it is possible to achieve the maximization of Solar use.
The content of the invention
It is an object of the invention to provide a kind of Electronic bicycle of solar energy wireless charging system, to realize utilizing solar energy
Wireless charging is carried out to electric bicycle, so that for the life of people provides great convenience.
Another object of the present invention is to provide a kind of Electronic bicycle of solar energy wireless charging method, to realize using too
Sun can carry out wireless charging to electric bicycle, so that for the life of people provides great convenience.
To achieve these goals, the technical scheme that the present invention implements to use is as follows：
First aspect
A kind of Electronic bicycle of solar energy wireless charging system, is applied to carry out battery of electric bicycle using solar energy
Wireless charging, including solar energy radio charging pile part and electric bicycle wireless charger part,
Solar energy radio charging pile part includes processor, solar panel, battery, push-pull type E class A amplifier As, hair
Penetrate resonant body, ultrasonic sensor
Electric bicycle wireless charger part includes receiving resonant body, voltage matches circuit；
The solar panel is used for the solar energy that will receive and is converted into direct current energy, and by conversion after it is described straight
Stream electric energy is input into the push-pull type E class A amplifier As；
The push-pull type E class A amplifier As are used to for the direct current energy for obtaining to be converted to AC energy, and by the friendship
Stream electric energy is input into the transmitting resonant body, and the AC energy is converted into electromagnetic energy and launched to described by the transmitting resonant body
Receive resonant body；
The ultrasonic sensor receives the distance between resonant body for measuring the transmitting resonant body with described, and will
The distance value for measuring is sent to the processor；
The processor is used to draw current resonant frequency according to the distance value that it is described that the processor is additionally operable to control
Push-pull type E class A amplifier As produce the AC energy of the current resonant frequency；
It is AC energy that the reception resonant body is used for the electromagnetic energy for receiving, and the AC energy is transmitted
To the voltage matches circuit；
The voltage matches circuit is used to charge the electric bicycle after processing the AC energy.
Second aspect
A kind of Electronic bicycle of solar energy wireless charging method, is applied to Electronic bicycle of solar energy wireless charging system,
And battery of electric bicycle is charged, the system includes solar energy radio charging pile part and electric bicycle wireless charging
Electrical appliance part, the solar energy radio charging pile part includes processor, push-pull type E class A amplifier As, solar panel, ultrasound
Wave sensor and transmitting resonant body, the electric bicycle wireless charger part include receiving resonant body and voltage matches electricity
Road, methods described includes：
The direct current energy that the solar panel is exported is converted into alternating current using the push-pull type E class A amplifier As
Energy；
The distance value of the transmitting resonant body and the reception resonant body is measured by the ultrasonic sensor；
The processor calculates the distance according to the distance value and the mapping relations of resonant frequency value that prestore
It is worth corresponding resonant frequency value；
The push-pull type E class A amplifier As export AC energy to the transmitting resonant body according to the resonant frequency value；
The transmitting resonant body transmits to the reception resonant body AC energy；
The AC energy that the reception resonant body will be received is after voltage matches circuit regulation to the electrical salf-walking
Car battery is charged.
The present invention implements a kind of Electronic bicycle of solar energy wireless charging system and the method for providing, the solar energy electric
Bicycle wireless charging method is applied to the Electronic bicycle of solar energy wireless charging system.The Electronic bicycle of solar energy without
Line charging system includes two parts：Solar energy radio charging pile part and electric bicycle wireless charger part；
Solar energy radio charging pile part includes processor, solar panel, battery, push-pull type E class A amplifier As, hair
Penetrate resonant body, ultrasonic sensor
Electric bicycle wireless charger part includes receiving resonant body, voltage matches circuit and electric bicycle electricity
Pond；
The solar panel is used for the solar energy that will receive and is converted into direct current energy, and by conversion after it is described straight
Stream electric energy is input into the push-pull type E class A amplifier As；
The push-pull type E class A amplifier As are used to for the direct current energy for obtaining to be converted to AC energy, and by the friendship
Stream electric energy is input into the transmitting resonant body, and the AC energy is converted into electromagnetic energy and launched to described by the transmitting resonant body
Receive resonant body；
The ultrasonic sensor receives the distance between resonant body for measuring the transmitting resonant body with described, and will
The distance value for measuring is sent to the processor；
The processor is used to draw current resonant frequency according to the distance value that it is described that the processor is additionally operable to control
Push-pull type E class A amplifier As produce the AC energy of the current resonant frequency；
It is AC energy that the reception resonant body is used for the electromagnetic energy for receiving, and the AC energy is transmitted
To the voltage matches circuit；
The voltage matches circuit is used to charge the electric bicycle after processing the AC energy.
Realized by the present invention carries out wireless charging using solar energy to electric bicycle, can more be filled using battery
Point utilization solar energy, to a certain extent, it is to avoid the not enough situation of illumination condition；Combine recommending for no-voltage turn-on characteristics
The application of formula E class A amplifier As, will also greatly increase system transfers efficiency；According to the characteristic of magnetic coupling resonance, when transmitting resonant body
It is in when in the range of close coupling with the distance for receiving resonator body, system resonance frequencies can show the characteristic of frequency splitting, i.e.,
The efficiency of transmission of system peak value can occur in two different Frequency points, and certain the two peak values are nor essentially equal.With
Transmission range to change from the near to the remote, two resonant frequency points can be close to each other, to the last overlap to together, transmission now
Distance i.e. maximum transmission distance.Because in actual applications, different user is it cannot be guaranteed that carry out transmission distance during wireless charging
From all identical, therefore system, by detecting actual transmission resonant body and receiving the distance between resonant body, processor is according to reality
Transmission range search corresponding resonance peak point, control changes the driving signal frequency of push-pull type E class A amplifier As, comes dynamic
Being wirelessly transferred for the frequency adaptation different distance of change AC power, realizes that resonant frequency is followed the trail of, it is ensured that maximal efficiency is transmitted.Frequently
The application of rate method for tracing, makes wireless charging system efficiency of transmission higher, and become more flexible.The present invention again using energy source and
Electrical Safety aspect has great importance.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of structural representation of Electronic bicycle of solar energy wireless charging system provided in an embodiment of the present invention
Figure.
Fig. 2 shows the circuit theory diagrams of push-pull amplifier provided in an embodiment of the present invention.
Fig. 3 shows a kind of voltage matches of Electronic bicycle of solar energy wireless charging system provided in an embodiment of the present invention
The structural representation of circuit.
Fig. 4 shows reception resonant body provided in an embodiment of the present invention, the circuit theory diagrams of voltage matches circuit.
Fig. 5 shows the circuit theory diagrams of charging current detection provided in an embodiment of the present invention.
Fig. 6 shows that a kind of flow of Electronic bicycle of solar energy wireless charging method provided in an embodiment of the present invention is illustrated
Figure.
Diagram：10- Electronic bicycle of solar energy wireless charging systems；110- solar panels；120- batteries；140-
Processor；150- push-pull type E class A amplifier As；170- ultrasonic sensors；180- launches resonant body；190- receives resonant body；
200- charge management modules；210- battery of electric bicycle；201- rectifier bridges；202- receiving terminal dc-dcs；220- energy storage
End DC-DC converter；230- voltage matches circuits；240- transformers.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of selected embodiment of the invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
In real life, electric bicycle is often through wired connection charging pile, and then charging pile utilizes civil power 220V
Electric bicycle is charged, therefore Electronic bicycle of solar energy wireless charging system 10 provided in an embodiment of the present invention also may be used
To be applied to charging pile and electric bicycle.
Fig. 1 is refer to, is a kind of knot of Electronic bicycle of solar energy wireless charging system 10 provided in an embodiment of the present invention
Structure schematic diagram.The Electronic bicycle of solar energy wireless charging system 10 is used to charge battery of electric bicycle 210.This is too
Positive energy electric bicycle wireless charging system 10 includes solar energy radio charging pile part and electric bicycle wireless charger portion
Point, the solar energy radio charging pile part includes solar panel 110, processor 140, push-pull type E class A amplifier As 150, super
Sonic sensor 170, transmitting resonant body 180, the electric bicycle wireless charger part include receiving resonant body 190, charge
Management module 200 and voltage matches circuit 230.
The solar panel 110, push-pull type E class A amplifier As 150 and transmitting resonant body 180 are sequentially connected, processor 140
It is all connected with push-pull type E class A amplifier As 150 and ultrasonic sensor 170.The transmitting resonant body 180 and the reception nothing of resonant body 190
Line is connected, and is received resonant body 190, voltage matches circuit 230 and battery of electric bicycle 210 and is sequentially connected, Charge Management mould
Block 200 is all connected with voltage matches circuit 230 and battery of electric bicycle 210.
The solar panel 110 is used for the solar energy that will receive and is converted into direct current energy, and by the direct current after conversion
Electric energy is sent to push-pull type E class A amplifier As 150.
The direct current energy that the push-pull amplifier 150 is used to receive is converted to AC energy.The push-pull amplifier
150 when the condition of ZVS (zero-voltage switching, ZVT) is met, and efficiency of transmission is up to 100%.Should
ZVS refers to that, when switch is changed into conducting state from off state, the voltage of colelctor electrode or drain electrode is equal to zero.Meanwhile, in input
Under identical DC voltage, the power output of push-pull amplifier 150 be the power output of common E class A amplifier As 4 times or so (with
The change of actual parameter can be different), it is readily appreciated that, when the timing of power output one, push-pull amplifier 150 needs input
DC voltage than single E class A amplifier As the DC voltage of input will be needed lower, and then the unit being connected with push-pull amplifier 150
The voltage stress that device is born also correspondingly is reduced, and greatly reduces the requirement to device parameters, and component burden is smaller.
As shown in Fig. 2 being the circuit theory diagrams of push-pull amplifier provided in an embodiment of the present invention 150.Push-pull type is amplified
Device 150 is a kind of novel inverter based on E class A amplifier As.Combine two E class A amplifier As are symmetrical, L1, L2 are
High frequency choke inductance, C1, C2 are shunt capacitance, and L is resonant inductance, and C is resonant capacitance, switching tube S1 and S2 shared resonance
The peak-to-peak value of voltage, alternately for load provides high frequency electric, is capable of achieving bigger power output, the direct voltage source Vd of the circuit
Directly provided by solar panel 110.After direct current energy is converted to AC energy by push-pull amplifier 150, this is exchanged
Electric energy is transmitted to transmitting resonant body 180.
Ultrasonic sensor 170 is used to measure transmitting resonant body 180 and receive the distance between resonant body 190 to obtain distance
Value, i.e., when electric bicycle rests against solar energy radio charging pile, between transmitting resonant body 180 and reception resonant body 190
Distance.Meanwhile, ultrasonic sensor 170 sends to processor 140 distance value.
Processor 140 searches corresponding resonant frequency value according to the distance value for receiving, specifically, pre- in processor 140
The predeterminable range value that is stored with and the corresponding resonant frequency value of predeterminable range value, such as predeterminable range value are 5cm, and corresponding resonance is frequently
Rate is 100Hz, and predeterminable range value is 3cm, and corresponding resonant frequency value is 200Hz.Distance value that processor 140 will be received with
Predeterminable range value is compared, and when the distance value is consistent with predeterminable range value, then processor 140 is according to the predeterminable range value
Corresponding resonant frequency value control push-pull type E class A amplifier As 150 send AC energy to resonant body 180 is launched, and launch resonant body
180 AC energies that will be received are transmitted to reception resonant body 190.Such as, the distance value for receiving is 5cm, is now received
Distance value is consistent with predeterminable range value 5cm and the corresponding resonant frequency values of predeterminable range value 5cm are 100Hz, then processor 140
Passed to transmitting resonant body 180 according to the resonant frequency of 100Hz according to resonant frequency value 100Hz control push-pull type E class A amplifier As 150
Defeated AC energy.
Wherein, the transmitting AC energy that will receive of resonant body 180 is converted to electromagnetic energy, using magnet coupled resonant type by electricity
Magnetic energy is transmitted to resonant body 190 is received, and the transmission structure of magnet coupled resonant type is 4 loop constructions, and the coil at two ends is matched line
Circle, middle two coils are resonance coil, when high-frequency alternating current source frequency is humorous with the self-resonant frequency of transmitting resonant body and reception
When the self-resonant frequency of vibration body is identical, the transmitting resonant body and the reception resonant body will produce resonance, now efficiency of transmission
It is maximum.
Reception resonant body 190 will be received after electromagnetic energy is converted to AC energy and transmitted to voltage matches circuit 230, voltage
Match circuit 230 is transmitted to battery of electric bicycle 210 after processing AC energy, and electric bicycle 210 is filled
Electricity.Wherein, charge management module 200 is all connected with voltage matches circuit 230 and battery of electric bicycle 210, Charge Management mould
Block 200 is used to gathering the charging voltage and charging current of battery of electric bicycle 210, and the charging voltage that will collect and electric current
Voltage matches circuit 230 is fed back to, can be according to the real-time voltage of battery of electric bicycle 210 in order to voltage matches circuit 230
It is adjusted with electric current.It is the structural representation of voltage matches circuit 230 provided in an embodiment of the present invention specifically, refer to Fig. 3
Figure.
The voltage matches circuit 230 include rectifier bridge 201 and receiving terminal dc-dc 202, the rectifier bridge 201 with connect
Receive resonant body 190 and receiving terminal dc-dc 202 is all connected with, the receiving terminal dc-dc 202 is electric with electric bicycle
Pond 210 connects.
Rectifier bridge 201 will receive the AC energy that transmits of resonant body 190 and be converted to direct current energy and pass the direct current energy
Transport to receiving terminal dc-dc 202.The direct current energy of reception is converted to electric bicycle by receiving terminal dc-dc 202
The rated voltage of battery 210 charges to battery of electric bicycle 210.
Fig. 4 is refer to, is reception resonant body 190 provided in an embodiment of the present invention, the circuit theory of voltage matches circuit 230
Figure.The voltage for receiving resonant body 190 is high-frequency alternating current, by the rectification of rectifier bridge 201, direct current is obtained after electric capacity C1 filtering
Pressure, the DC voltage for obtaining directly inputs the primary side of transformer 240, and constituting RCD leakage inductances using R1, C2 and D1 absorbs electricity
Road, when switching device is opened, the storage energy of transformer 240, load energy is discharged by electric capacity C3 and provided；When switching device shut-off
When, the secondary side of transformer 240 releases energy, output connection D2, by electric capacity C3 filtering outputs to battery of electric bicycle 210,
Wherein D2 and D3 are to prevent electric current countercurrently.Charging current test point is provided with battery of electric bicycle 210, by detection
Charging current could realize that Closed-loop Constant-current charges.Meanwhile, charging voltage test point is also provided with circuit load, by inspection
Survey current charging voltage and realize closed loop constant-voltage charge.
Fig. 5 is refer to, is the circuit theory diagrams of charging current test point provided in an embodiment of the present invention.The input of the circuit
Signal is the input voltage of charging current monitoring point, and the output signal of circuit is the current charging current of circuit.
Solar panel 110 generally received in the case of fine solar energy be converted to the efficiency of direct current energy compared with
Height, and then battery 210 to electric bicycle charges.But under rainy or overcast sky, because solar energy is less,
Therefore the normal operating efficiency of solar panel 110 is low, it is therefore necessary in the case of solar energy abundance, in time deposit electricity
Can, to cause in the weather without the sun, the Electronic bicycle of solar energy wireless charging system 10 also can be used normally.
The Electronic bicycle of solar energy wireless charging system 10 also includes battery 120 and energy storage end dc-dc
220.Processor 140 is all connected with solar panel 110 and battery 120, battery 120, energy storage end dc-dc
220th, solar panel 110 is sequentially connected.
In the case where solar panel 110 does not charge to battery of electric bicycle 210, solar panel 110
Convert solar energy into direct current energy and transmit to battery 120 and stored.Specifically, processor 140 is used to detect battery
120 voltage, when the virtual voltage of battery 120 and the rated voltage of battery 120 differ by more than 1V, shows battery
120 is not Full Charge Capacity.Whether processor 140 is additionally operable to detection solar panel 110 in discharge condition, if solar cell
Plate 110 is not on discharge condition and when battery 120 is not Full Charge Capacity, and the control solar panel 110 of processor 140 is to store
Battery 120 charges, and stops charging after the virtual voltage of battery 120 is equal to rated voltage.When processor 140 controls the sun
When energy cell panel 110 is charged to battery 120, energy storage end dc-dc 220 is used to adjust solar panel 110
Output voltage so that the output voltage of solar panel 110 slightly larger than battery 120 voltage in order to battery
120 are charged.
The battery 120 is also connected with push-pull type E class A amplifier As 150, push-pull type E class A amplifier As 150 and solar cell
Plate 110 is connected and during for being charged to battery of electric bicycle 210, the interruption of push-pull type E class A amplifier As 150 and battery 120
Open, and processor 140 detects the output voltage and output current of solar panel 110 and calculates power output, works as hair
The power output of existing solar panel 110 less than battery of electric bicycle 210 charge required maximum power value when, show the sun
Energy cell panel 110 power output is not enough, and the control battery 120 of processor 140 is connected with push-pull type E class A amplifier As 150, while pushing away
Pull E class A amplifier As 150 are separated with solar panel 110.Processor 140 detects the power output of battery 120, such as
The power output of fruit battery 120 charges required maximum power value less than battery of electric bicycle 210, shows that battery 120 is defeated
Go out underpower.The connection of the control of processor 140 cut-out battery 120 and push-pull type E class A amplifier As 150 simultaneously produces prompting to believe
Breath, points out the user charging pile temporarily to cannot be used for charging,
As shown in fig. 6, be the flow chart of Electronic bicycle of solar energy wireless charging method provided in an embodiment of the present invention, should
Electronic bicycle of solar energy wireless charging system method is applied to Electronic bicycle of solar energy wireless charging system 10, the system
Including solar energy radio charging pile part and electric bicycle wireless charger part, the solar energy radio charging pile part bag
Include processor 140, push-pull type E class A amplifier As 150, solar panel 110, ultrasonic sensor 170 and transmitting resonant body
180, the electric bicycle wireless charger part include receiving resonant body 190 and voltage matches circuit 230 and it is electronic from
Driving battery 210, methods described includes
Step S120, the direct current energy for being exported the solar panel using the push-pull type E class A amplifier As is changed
It is AC energy.
In embodiments of the present invention, step S120 can be performed by push-pull type E class A amplifier As 150.
Step S130, the distance of the transmitting resonant body and the reception resonant body is measured by the ultrasonic sensor
Value.
In embodiments of the present invention, step S130 can be performed by ultrasonic sensor 170.
Step S140, the processor is calculated according to the distance value and the mapping relations of resonant frequency value that prestore
The corresponding resonant frequency value of the distance value.
In embodiments of the present invention, step S140 can be performed by processor 140.
Step S150, the push-pull type E class A amplifier As export AC energy to the transmitting according to the resonant frequency value
Resonant body.
In embodiments of the present invention, step S150 can be performed by push-pull type E class A amplifier As 150.
Step S160, the transmitting resonant body transmits to the reception resonant body AC energy.
In embodiments of the present invention, step S160 can be performed by transmitting resonant body 180.
Step S170, the AC energy that the reception resonant body will be received is after voltage matches circuit regulation to described
Battery of electric bicycle is charged.
In embodiments of the present invention, step S170 can be performed by reception resonant body 190.
The Electronic bicycle of solar energy wireless charging system 10 also include battery 120, the Electronic bicycle of solar energy without
Line charging method also includes：
Whether step S110, the processor is used to detect the solar panel in discharge condition and the storage
Battery whether the state in Full Charge Capacity, when the solar panel be not at discharge condition and the battery be not at it is full
State of charge, the processor controls the solar panel to charge the battery
In embodiments of the present invention, step S110 can be performed by processor 140.
In sum, a kind of electric bicycle wireless charging system level method is the embodiment of the invention provides, this is electronic certainly
Driving wireless charging method is applied to the electric bicycle wireless charging system, and the electric bicycle wireless charging system is included too
Positive energy cell panel, battery, battery management module, processor, push-pull amplifier, transmitting resonant body, reception resonant body, control
End, ultrasonic sensor, charge management module and battery.
Solar panel is used to receive solar energy and convert the solar into direct current energy, on the one hand by the unnecessary sun
Can be converted to be stored in battery after direct current energy battery is charged using battery with the case of no sun.Together
When, the electricity of battery management module real-time monitoring battery sends to processor in the case of the not enough power supply of battery and carries
Show signal, whether processor response cue detection solar panel is in discharge condition, when solar panel does not have
Have during in discharge condition, processor then controls solar panel to charge battery.
After another aspect solar panel converts the solar into direct current energy, mainly send to push-pull amplifier,
The direct current energy that push-pull amplifier will be received is converted to AC energy, and the AC energy is sent to transmitting resonant body.
The distance between ultrasonic sensor detection transmitting resonant body and reception resonant body, and the distance value is sent to control end, control
End processed corresponding resonant frequency value, and then control end are searched according to resonant frequency value control transmitting resonant body according to the distance value
Resonant body is received according to this resonant frequency value transmission AC energy.Resonant body is received to transmit to charging valve the AC energy of reception
Reason module, charge management module includes rectifier bridge and adjustment module, and AC energy is converted to direct current energy by rectifier bridge, adjusts mould
Block adjusts the direct current energy and battery is charged.And then complete to electric bicycle wireless charging, it is very easy to people
Life.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
Claims (10)
1. a kind of Electronic bicycle of solar energy wireless charging system, is applied to carry out nothing to battery of electric bicycle using solar energy
Line charges, it is characterised in that：Including solar energy radio charging pile part and electric bicycle wireless charger part,
Solar energy radio charging pile part includes processor, solar panel, push-pull type E class A amplifier As, transmitting resonant body, super
Sonic sensor；
Electric bicycle wireless charger part includes receiving resonant body, voltage matches circuit；
The solar panel is used for the solar energy that will receive and is converted into direct current energy, and by conversion after the direct current
Can be input into the push-pull type E class A amplifier As；
The push-pull type E class A amplifier As are used to for the direct current energy for obtaining to be converted to AC energy, and by the alternating current
Can be input into the transmitting resonant body, the AC energy is converted into electromagnetic energy and launched to the reception by the transmitting resonant body
Resonant body；
The ultrasonic sensor receives the distance between resonant body for measuring the transmitting resonant body with described, and will measure
Distance value send to the processor；
The processor is used to draw current resonant frequency according to the distance value that the processor to be additionally operable to be recommended described in control
Formula E class A amplifier As produce the AC energy of the current resonant frequency；
The reception resonant body is used to the electromagnetic energy for receiving be AC energy, and the AC energy is transmitted to institute
State voltage matches circuit；
The voltage matches circuit is used to charge the battery of electric bicycle after processing the AC energy.
2. Electronic bicycle of solar energy wireless charging system as claimed in claim 1, it is characterised in that the solar energy radio
Charging pile part includes battery, and the processor is all connected with the solar panel and the battery；The place
Reason device is used to detect the battery tension, when virtual voltage and the battery rated voltage of the battery differ by more than 1V
When, show that the battery is not Full Charge Capacity；Whether the processor is additionally operable to detect the solar panel in electric discharge
State, if the solar panel is not on discharge condition and when being not Full Charge Capacity of the battery, the processor
Control the solar panel to be charged for the battery, stop after the virtual voltage of the battery is equal to rated voltage
Only charge.
3. Electronic bicycle of solar energy wireless charging system as claimed in claim 2, it is characterised in that the system also includes
Energy storage end dc-dc, energy storage end dc-dc is all connected with the solar panel, the battery；When
When the processor controls the solar panel to be charged to the battery, energy storage end dc-dc is used
In the output voltage for adjusting the solar panel so that the output voltage of the solar panel is more than the battery
Voltage in order to be charged to the battery.
4. Electronic bicycle of solar energy wireless charging system as claimed in claim 1, it is characterised in that the push-pull type E classes
Amplifier is all connected with the solar panel and battery；When the push-pull type E class A amplifier As and the solar cell
Plate is connected and during for being charged to the battery of electric bicycle, the interruption of the push-pull type E class A amplifier As and the battery
Open, and the processor detects the output voltage and output current of the solar panel and calculates power output, when
It was found that when the solar panel power output is less than maximum power value needed for electric bicycle charges, showing solar cell
Plate power output is not enough, and the processor controls the battery to be connected with the push-pull type E class A amplifier As, while described recommend
Formula E class A amplifier As are separated with the solar panel；The processor detects the power output of battery, if described
Battery power output shows that the battery power output is not enough, institute less than maximum power value needed for electric bicycle charging
State the connection of the processor control cut-out battery and the push-pull type E class A amplifier As and produce prompt message, point out user
The charging pile temporarily cannot be used for charging.
5. Electronic bicycle of solar energy wireless charging system as claimed in claim 1, it is characterised in that the transmitting resonant body
The electromagnetic energy is transmitted to the reception resonant body using magnet coupled resonant type, the transmission structure of the magnet coupled resonant type is
4 loop constructions, the coil at two ends is matched coil, and middle two coils are resonance coil, when high-frequency alternating current source frequency and hair
When to penetrate the self-resonant frequency of resonant body identical with the self-resonant frequency for receiving resonant body, the transmitting resonant body and the reception are humorous
Vibration body will produce resonance, and now efficiency of transmission is maximum.
6. Electronic bicycle of solar energy wireless charging system as claimed in claim 1, it is characterised in that the voltage matches electricity
Road includes rectifier bridge and receiving terminal dc-dc, and the rectifier bridge is connected with the reception resonant body, and the rectifier bridge is used for
The alternating voltage that the reception resonant body is received is converted into DC voltage；The receiving terminal dc-dc will be described straight
DC voltage needed for stream voltage conversion into the battery of electric bicycle charges to the battery of electric bicycle.
7. Electronic bicycle of solar energy wireless charging system as claimed in claim 1, it is characterised in that the electric bicycle
Wireless charger part also includes charge management module, the charge management module and the voltage matches circuit and described electronic
Bicycle battery is connected, and the charge management module is used to gather the charging voltage and the electricity that charges of the battery of electric bicycle
Flow, and the charging voltage and charging current that will be collected are sent to the voltage matches circuit.
8. a kind of Electronic bicycle of solar energy wireless charging method, it is characterised in that be applied to Electronic bicycle of solar energy wireless
Charging system, and being charged to battery of electric bicycle, the system include solar energy radio charging pile part and it is electronic from
Driving wireless charger part, the solar energy radio charging pile part includes processor, push-pull type E class A amplifier As, solar energy
Cell panel, ultrasonic sensor and transmitting resonant body, the electric bicycle wireless charger part include receive resonant body and
Voltage matches circuit, methods described includes：
The direct current energy that the solar panel is exported is converted into AC energy using the push-pull type E class A amplifier As；
The distance value of the transmitting resonant body and the reception resonant body is measured by the ultrasonic sensor；
The processor calculates the distance value pair according to the distance value and the mapping relations of resonant frequency value that prestore
The resonant frequency value answered；
The push-pull type E class A amplifier As export AC energy to the transmitting resonant body according to the resonant frequency value；
The transmitting resonant body transmits to the reception resonant body AC energy；
The AC energy that the reception resonant body will be received is electric to the electric bicycle after being adjusted through the voltage matches circuit
Charged in pond.
9. Electronic bicycle of solar energy wireless charging method as claimed in claim 8, it is characterised in that the solar energy radio
Charging pile part also includes battery, and methods described also includes：
The processor is used to detect whether whether the solar panel be in discharge condition and the battery
The state of Full Charge Capacity, when the solar panel is not at discharge condition and the battery is not at Full Power State, institute
Stating processor controls the solar panel to charge the battery.
10. Electronic bicycle of solar energy wireless charging method as claimed in claim 9, it is characterised in that the solar energy without
Line charging pile part also includes energy storage end dc-dc, energy storage end dc-dc and the solar panel and
The battery is all connected with, and when the solar panel charges to the battery, energy storage end dc-dc is adjusted
The output voltage for saving the solar panel is the rated voltage of the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196603.7A CN106787119A (en) | 2017-03-29 | 2017-03-29 | Electronic bicycle of solar energy wireless charging system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710196603.7A CN106787119A (en) | 2017-03-29 | 2017-03-29 | Electronic bicycle of solar energy wireless charging system and method |
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| Publication Number | Publication Date |
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| CN106787119A true CN106787119A (en) | 2017-05-31 |
Family
ID=58966922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710196603.7A Pending CN106787119A (en) | 2017-03-29 | 2017-03-29 | Electronic bicycle of solar energy wireless charging system and method |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109067016A (en) * | 2018-10-31 | 2018-12-21 | 中天华信(天津)智能科技发展有限公司 | A kind of wireless charging system and charge parameter regulating device and method |
| CN109435719A (en) * | 2018-12-29 | 2019-03-08 | 永安行科技股份有限公司 | Intelligent charging spot, vehicle using motor, charging system and charging method |
| CN110112836A (en) * | 2019-05-24 | 2019-08-09 | 上海电力学院 | A kind of magnet coupled resonant type wireless transmission system and control method |
| CN111342568A (en) * | 2020-03-30 | 2020-06-26 | 重庆理工大学 | Series-parallel resonance convertible wireless charging transmitting circuit and control method |
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| CN102341994A (en) * | 2009-03-06 | 2012-02-01 | 日产自动车株式会社 | Non-contact power supplying device and non-contact power supplying method |
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| CN106374634A (en) * | 2016-09-27 | 2017-02-01 | 哈尔滨理工大学 | Novel electric vehicle wireless charging apparatus |
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| CN102341994A (en) * | 2009-03-06 | 2012-02-01 | 日产自动车株式会社 | Non-contact power supplying device and non-contact power supplying method |
| CN104638747A (en) * | 2015-01-27 | 2015-05-20 | 合肥工业大学 | Optimal automatic power distribution method and system of photoelectric complementary power supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109067016A (en) * | 2018-10-31 | 2018-12-21 | 中天华信(天津)智能科技发展有限公司 | A kind of wireless charging system and charge parameter regulating device and method |
| CN109435719A (en) * | 2018-12-29 | 2019-03-08 | 永安行科技股份有限公司 | Intelligent charging spot, vehicle using motor, charging system and charging method |
| CN110112836A (en) * | 2019-05-24 | 2019-08-09 | 上海电力学院 | A kind of magnet coupled resonant type wireless transmission system and control method |
| CN111342568A (en) * | 2020-03-30 | 2020-06-26 | 重庆理工大学 | Series-parallel resonance convertible wireless charging transmitting circuit and control method |
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